What proportion of pizza restaurants that are primarily for walk-in business have a salad bar? Suppose that, in an effort to determine this figure, a random sample of 1,250 of these restaurants across the United States based on the Yellow Pages is called. If 997 of the restaurants sampled have a salad bar, what is the 98% confidence interval for the population proportion? (Round the answers to 3 decimal places.) sps Appendix A Statistical Tables
What proportion of pizza restaurants that are primarily for walk-in business have a salad bar? Suppose that, in an effort to determine this figure, a random sample of 1,250 of these restaurants across the United States based on the Yellow Pages is called. If 997 of the restaurants sampled have a salad bar, what is the 98% confidence interval for the population proportion? (Round the answers to 3 decimal places.) sps Appendix A Statistical Tables
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Problem 1P
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![**Title: Understanding Confidence Intervals: A Pizza Restaurant Case Study**
**Problem: Determining the Proportion of Restaurants with Salad Bars**
What proportion of pizza restaurants that are primarily for walk-in business have a salad bar? Suppose that, in an effort to determine this figure, a random sample of 1,250 of these restaurants across the United States based on the Yellow Pages is called. If 997 of the restaurants sampled have a salad bar, what is the 98% confidence interval for the population proportion?
**Instructions:**
- Round the answers to 3 decimal places.
\[ \text{Lower limit} \le p \le \text{Upper limit} \]
**Additional Resources:**
- **Appendix A: Statistical Tables**
**References:**
- **eTextbook and Media**: Supplement your study and understanding of this topic with additional digital resources.
This exercise helps illustrate how confidence intervals are calculated in practical scenarios, providing insights into statistical analysis used in business contexts.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0842b344-c7d5-4c3e-ba44-bf4c8906a0a3%2Fd4503099-d652-4b70-9e85-50c6b46a332a%2Fqwtl8wv_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Title: Understanding Confidence Intervals: A Pizza Restaurant Case Study**
**Problem: Determining the Proportion of Restaurants with Salad Bars**
What proportion of pizza restaurants that are primarily for walk-in business have a salad bar? Suppose that, in an effort to determine this figure, a random sample of 1,250 of these restaurants across the United States based on the Yellow Pages is called. If 997 of the restaurants sampled have a salad bar, what is the 98% confidence interval for the population proportion?
**Instructions:**
- Round the answers to 3 decimal places.
\[ \text{Lower limit} \le p \le \text{Upper limit} \]
**Additional Resources:**
- **Appendix A: Statistical Tables**
**References:**
- **eTextbook and Media**: Supplement your study and understanding of this topic with additional digital resources.
This exercise helps illustrate how confidence intervals are calculated in practical scenarios, providing insights into statistical analysis used in business contexts.
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